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wetland
相关语句
  湿地
    Study on Vegetation Character and Nutrient Elements Dynamics of Marsh Wetland in North of Xiaoxing'an Mountain
    小兴安岭北部沼泽湿地植被特征与营养元素动态研究
短句来源
    Chlorophyll Fluorescence of 20 Species of Wetland Plants
    20种湿地植物的叶绿素荧光特性
短句来源
    Mechanism of artificial wetland treatment of Pb and Cd containing wastewater
    人-工湿地处理重金属Pb、Cd污水的机理探讨
短句来源
    Ecological Environment of the Wetland of Xinganling Area and the Countermeasures for Its Protection
    兴安岭地区湿地生态环境及其保护对策
短句来源
    ADVANCES IN BIOLOGICAL FUNDAMENTAL STUDIES ON ARTIFICIAL WETLAND WASTEWATER TREATMENT SYSTEM
    人工湿地废水处理系统的生物学基础研究进展
短句来源
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  湿地
    Study on Vegetation Character and Nutrient Elements Dynamics of Marsh Wetland in North of Xiaoxing'an Mountain
    小兴安岭北部沼泽湿地植被特征与营养元素动态研究
短句来源
    Chlorophyll Fluorescence of 20 Species of Wetland Plants
    20种湿地植物的叶绿素荧光特性
短句来源
    Mechanism of artificial wetland treatment of Pb and Cd containing wastewater
    人-工湿地处理重金属Pb、Cd污水的机理探讨
短句来源
    Ecological Environment of the Wetland of Xinganling Area and the Countermeasures for Its Protection
    兴安岭地区湿地生态环境及其保护对策
短句来源
    ADVANCES IN BIOLOGICAL FUNDAMENTAL STUDIES ON ARTIFICIAL WETLAND WASTEWATER TREATMENT SYSTEM
    人工湿地废水处理系统的生物学基础研究进展
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  “wetland”译为未确定词的双语例句
    Common Features of the Estuarine Wetland in China
    中国河口湿地的一般特点
短句来源
    WETLAND PROTECTION AND UTILIZATION IN HUBEI PROVINCE
    湖北省湿地的保护与利用
短句来源
    Conservation and Sustainable Development of Hongze Lake Wetland
    洪泽湖湿地的可持续发展
短句来源
    Distribution Character of Hg in Wetland Soil in Sanjiang Plain and Analysis of Influential Factors
    三江平原湿地土壤汞的分布特征及影响因素分析
短句来源
    Restoration succession of wetland soils and their changes of water and nutrient in Ruoergai Plateau.
    若尔盖高原湿地土壤的恢复演替及其水分与养分变化
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  wetland
Plant species diversity of wetland ecosystem in an arid and semi-arid region in northwest China
      
The whole study area was divided into the wetland zone, the ecotone and the arid grassland zone in terms of habitat characteristics and vegetation types.
      
angustifolia organs in the two types of wetland communities was distinctly different, which could be described by polynomial.
      
To determine the impact of photosynthesis and transpiration on nitrogen removal in wetlands, an artificial wetland planted with reeds was constructed to treat highly concentrated domestic wastewater.
      
Results suggest that the photosynthesis and transpiration of wetland plants have a great impact on nitrogen removal efficiency of wetlands, which can be enhanced by an increase in the photosynthesis and transpiration rate.
      
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Poyang lake is the largest freshwater lake in China.During the low water level in autumn and winter, ecological environment of wetland in the delta front of the Ganjiang River consists of grass bank,muddy beach and back depression,providing favourable conditions for migratory birds to sur- vive their winter. The investigation shows that the wetland at altiude of 12-13m is the most favoura- ble place for migratory birds' wintering. However the building of Three-gorges Reservoir may alle- viate the...

Poyang lake is the largest freshwater lake in China.During the low water level in autumn and winter, ecological environment of wetland in the delta front of the Ganjiang River consists of grass bank,muddy beach and back depression,providing favourable conditions for migratory birds to sur- vive their winter. The investigation shows that the wetland at altiude of 12-13m is the most favoura- ble place for migratory birds' wintering. However the building of Three-gorges Reservoir may alle- viate the discharge of the Changjing River in October, thus, may lead to the falling of the water level and to the exposedness of the lake beach earlier than expected. The above-mentioned results exert less influence on herbivorous birds, but may reduce the numbers of animal foods slightly. the grass bank resources may be used not only earlier, but alse fully, because of the expanding of the lake beach, but the shelter condictions for migratory birds' wintering may get worse.

鄱阳湖是我国最大的淡水湖泊.每年秋冬枯水期,在赣江和修水入湖三角洲前缘,由草滩-泥滩-积水洼地组成的湿地生态环境为越冬候鸟提供了良好的栖息条件。调查表明,高程12-13m低地最适宜候鸟越冬生存。三峡建坝后,10月份水库蓄水长江下泄流量减少,引起鄱阳湖的提前退水和滩地提前显露,虽使动物性饵料略有减少,但对食草候鸟影响不大.人类提前对草滩资源利用和利用下限的扩大,使候鸟隐蔽条件变差.

Based on the data from remote sensing satellite images, the paper deals with the characteristics of the evolution of ecological environment in Qinghai lake area. The research revealed that aridity was the main reason for the change in ecological environment in the area. Due to the annual evaporation in four times the annual precipitation, the lake level descended by 3.16 meters and the lake surface shrank by 279.4 km2 from 1956 to 1986; and the desert area was up to 450 km2 in 1986, which increased by 115 km2...

Based on the data from remote sensing satellite images, the paper deals with the characteristics of the evolution of ecological environment in Qinghai lake area. The research revealed that aridity was the main reason for the change in ecological environment in the area. Due to the annual evaporation in four times the annual precipitation, the lake level descended by 3.16 meters and the lake surface shrank by 279.4 km2 from 1956 to 1986; and the desert area was up to 450 km2 in 1986, which increased by 115 km2 as compared with that in 1956. The area of the wetland surrounding the lake was 193 km2 in 1986, reduced by 61 km2 as compared with that in 1956. Analysis and comparison of evolution between paleovegetation and modern vegetation led to the conclusion that both the vegetation type and species composition had no obvious change from 1962 to 1986. The drop in Qinghai lake water level and the change in ecological environment are found to be closely correlative to the great uplift of Qinghai-Xizang(Tibet) plateau since Pliocene epoch. human activity has the limited effect on the ecological environment, and is not the dominant factor to lead to the deterioration of ecological environment in the area.

本文根据遥感卫星图片资料,探讨了青海湖地区生态环境演变的特征。研究表明:干旱是造成该地区生态环境变化的主要原因。由于年蒸发量是年降水量的4倍,湖水水位1956—1986年间下降了3.16米,湖水面积缩小了279.4平方公里;1986年沙漠面积已达450平方公里,比1956年增加了115平方公里;沼泽面积1986年为193平方公里,比1956年减少了61平方公里。将古植被与现今植被演化进行分析对比得知,1982—1986年该区植被类型、种类组成均无显著变化。青海湖水位下降及生态环境的变化与上新世以来青藏高原巨大隆升密切相关。人类活动对生态环境有所影响,但强度有限,并非该区生态环境恶化的主导因素。

The Xilinguole Steppe Natural Reserve was set up in August 1985 and designated as a biosphere reserve by UNESCO/MAB in 1988. Its planning was assessed and compared with the general principles of a biosphere reserve and was found to have several faults in its functional pattern and institutional cooperation, which makes it far from being a fully functioning biosphere reserve.As regards the functional pattern the author suggests that:1. In addition to the five core areas for meadow steppe, typical steppe and forests...

The Xilinguole Steppe Natural Reserve was set up in August 1985 and designated as a biosphere reserve by UNESCO/MAB in 1988. Its planning was assessed and compared with the general principles of a biosphere reserve and was found to have several faults in its functional pattern and institutional cooperation, which makes it far from being a fully functioning biosphere reserve.As regards the functional pattern the author suggests that:1. In addition to the five core areas for meadow steppe, typical steppe and forests in the reserve, the abundant wetland vegetation and the corresponding wetland ecosystems along the Xilin River and lakes sh- ould be taken into account and a core area located in the river's upstream should therefore be established;2. Conservative management and environmental monitoring activities could be performed in the core areas;3. The buffer zone surrounding the Picea meyeri forest core area should be combined with that surrounding the core area of Populus-Betula forest so as to form a broader buffer zone, so that coniferous forests, deciduous broadleave forests, brushwood and meadow steppe landscapes would merge into an entity;4. Within the transition area effective cooperation amongst various institutions and local pastoralists should be established and enhanced;As regards the institutional cooperation the followingsuggestions are put forward:1. To organize a cooperative committee in which meetings can be held by the representatives from the Conservational Pureau, Baiyinxile Livestock Farm and Inner Mongolia Grassland Ecosystem Research Station of Academia Sinica as well as local people;2. To draw up a master plan which taks into account all the core areas.

锡林郭勒草原自然保护区于1988年加入国际生物圈保护区网络,但它在功能格局和管理机构协调等方面仍存在若干问题,尚未是一个功能齐全的生物圈保护区。因此,关于功能格局,作者建议增设湿地生态系统核心区和缓冲区;在草甸草原和典型草原核心区之外设立缓冲区、调整和扩大沙地白扦云杉林与山杨林的缓冲区;重视过渡区的协作。作者并就管理机构协调提出8项建议,强调牧场、保护区管理处、中国科学院内蒙古草原生态系统定位站和牧民之间的协作。

 
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